To download these old plugins, you can simply register an Update Center : the Dynamic Development UC.
Go to Tools, Plugins, Settings and Add.

  • Name : Dynamic Development UC
  • URL : http://deadlock.netbeans.org/hudson/job/nbms-and-javadoc/lastStableBuild/artifact/nbbuild/nbms/updates.xml.gz

DynamicDevelopmentUC.png

You can now reload the list of available plugin : the Axis2 Support plugin is here.

Nota : with this Update Center, you'll have two available updates in the Updates tab. Please do not download them, they could make your installation unstable.
When you have downloaded the plugins you were searching for, you can simply disable this Update Center : you won't be annoyed with unstable updates.